1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54c8fe926128bae00dd669c84ba1dcc2bac61b58aa801c78f1ddc112867d349. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cb0f083f-866a-4c91-99b3-8fdcc115aad1.json and https://artists.proofprofile.net/proofs/artist/cb0f083f-866a-4c91-99b3-8fdcc115aad1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
If You're Happy and You Know it! - Instrumental
Puppy friends, let's clean up! - Instrumental
Puppy friends, let's play! - Instrumental
Puppy friends, Let's ride a bike with puppy!
Head, Shoulders, Knees And Toes - 남자 Version
Schubert : Die Schone Mullerin D.795 - X. Tranenregen
Pergolesi：Stabat Mater - I. Stabat Mater Dolorosa
Haydn : Cello Concerto No.2 In D Major Hob.VIIb/2 - I. Allegro Moderato
Mozart : 12 Variations On `Ah, Vous Dirai-Je, Maman` K.265
Mozart : Serenade No.13 For Strings In G Major K.525 `Eine Kleine Nachtmusik`
Bach : Die Kunst Der Fuge BWV.1080 - Contrapunctus.I
Beethoven : Bagatelle In A Minor WoO.59 'Fur Elise'
Schumann : Kinderszenen Op.15 - VII. Traumerei
Wagner: Lohengrin, Act III : Wedding March
Schumann : Hochlandisches Wiegenlied No.14 Op.25
Satie : Gymnopedie No.1 - Lent Et Douloureux
Tchaikovsky: Suite From The Ballet 'The Swan Lake' - I. Scene
Stravinsky : The Rite of Spring Part.I The Adoration Of The Earth - Introduction
Brahms : Piano Quartet No.1 In G Minor Op.25 - III. Andante Con Moto
Twinkle Twinkle Little Star - Instrumental
London Bridge is falling down - Instrumental
My grandfather's old watch - Woman Version
My grandfather's old watch - Man Version
My grandfather's old watch - Instrumental
Under the Spreading Chestnut Tree - Instrumental